Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share [Abstract]
Net income	$ 3,003	$ 2,968	$ 6,249	$ 5,932
Less allocation of earnings and dividends to participating securities	2	0	4	0
Net income allocated to common shareholders	$ 3,001	$ 2,968	$ 6,245	$ 5,932
Weighted average common shares outstanding, gross (in shares)	10,010,455	9,922,024	10,005,798	9,919,070
Less average participating securities (in shares)	6,033	0	6,033	0
Weighted average number of shares outstanding used in the calculation of basic earnings per common share (in shares)	10,004,422	9,922,024	9,999,765	9,919,070
Add dilutive effect of:
Stock options (in shares)	6,890	18,299	7,427	17,767
Stock warrants (in shares)	0	0	0	32,465
Adjusted weighted average number of shares outstanding used in the calculation of diluted earnings per common share (in shares)	10,011,312	9,940,323	10,007,192	9,969,302
Earnings per common share:
Basic (usd per share)	$ 0.30	$ 0.30	$ 0.62	$ 0.60
Diluted (usd per share)	$ 0.30	$ 0.29	$ 0.62	$ 0.59